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Principal Software Engineer

1 hour, 45 minutes ago
Brazil
Full-time
Lead
Software Engineer
Software Development
AWS CI/CD Datadog Docker Elasticsearch Git GitLab Go Grafana Hugging Face Kubernetes Microservices MySQL New Relic PostgreSQL Prometheus Python React React Native REST API SQL TypeScript
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Sezzle

Sezzle

Sezzle is a payments company revolutionizing the buy now, pay later experience with interest-free installment plans, empowering consumers and merchants alike.

Diversified Financial Services
251-1K
Founded 2016
View All Jobs 138

Description

  • Architect, design, and build scalable backend services and APIs in Golang using AWS and RDS.
  • Lead AI enablement efforts by identifying opportunities for automation, developer productivity, and better customer experiences.
  • Partner with teams across the organization to integrate modern AI tools and capabilities.
  • Drive consistency, scalability, performance, and reliability across a distributed microservices architecture.
  • Establish and evolve engineering best practices for observability, security, and CI/CD.
  • Mentor engineers and help raise the technical bar across the team.
  • Collaborate with Product, Support, business, and engineering stakeholders to turn goals into technical roadmaps.
  • Design, develop, and deliver new features and lower-level platform optimizations.
  • Unblock teammates and support continuous iteration based on feedback.

Requirements

  • 12+ years of professional software engineering experience, including significant backend experience.
  • A production deployment of a significant application change within the past 30 days.
  • Strong proficiency in Golang and experience building and maintaining RESTful APIs.
  • Experience with React JS.
  • Expertise with SQL-based RDBMS such as MySQL and PostgreSQL, including schema and query optimization at scale.
  • Understanding of distributed systems design patterns such as transactional outbox, event-driven architecture, and queues.
  • Ability to bring new ideas forward, influence decisions, and lead complex technical initiatives.
  • Bachelor’s degree in Computer Science or equivalent practical experience.
  • Experience with observability tools such as Prometheus, Grafana, Datadog, or New Relic (preferred).
  • Experience with AWS cloud infrastructure, especially AWS Aurora RDS for MySQL and Postgres (preferred).
  • Experience in fintech, payments, BNPL, or consumer lending, including familiarity with compliance, credit decisioning, or transaction processing systems (preferred).
  • Experience with CI/CD pipelines and containerized microservices using Docker and Kubernetes (preferred).
  • Working knowledge of TypeScript, React, or React Native (preferred).
  • Familiarity with AI/ML tooling such as the OpenAI API, LangChain, Hugging Face, or custom LLM integrations (preferred).
  • Track record of shipping commercial APIs and data-driven applications in high-growth environments (preferred).
  • Proven leadership in guiding technical direction, improving system reliability, and scaling engineering organizations (preferred).

Benefits

  • Salary range of $6,000 - $12,500 per month gross in USD.
  • Remote, full-time role.
  • Opportunity to work on meaningful fintech and shopping experiences with broad organizational impact.
  • Transparent interview process with feedback at each step.
  • Career growth opportunities in a rapidly growing team.

Interested in this position?

Apply directly on the company website

Apply Now

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